The Prince of Wales Complex is like a 5 minute walk along the canal away.Do a Google search for “hogs back apartments”.Any of those are good.
Also the apartment complex across from Mooneys Bay.I think they’re run by Osgoode or something.I lived all over Ottawa while i went there.
Carleton University maintains a housing website for students.
https://www.places4students.com/Places/School?SchoolID=csERooXJeP4%3d You can also try posting an ad in Kijiji Ottawa.
You can also try Airbnb and PadMapper for short and long term rentals.
The Ottawa Carleton District School Board can help arrange for homestay w/family/guardian
places4students is a great way to find roommates and places to rent for the school year!
Best of luck to you!
Your best bet is to check with student services at Carleton.